Home / 7,580.90-11,367.70-2,650.44

Finding the Fourth Proportional to 7,580.90, 11,367.70 and 2,650.44

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Solution

The fourth proportional to 7,580.90, 11,367.70 and 2,650.44 is: 3,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.90 : 11,367.70 = 2,650.44 : x
  2. Step 2: Convert to fraction form
    7,580.90/11,367.70 = 2,650.44/x
  3. Step 3: Cross multiply
    7,580.90x = 11,367.70 × 2,650.44
  4. Step 4: Simplify right side
    7,580.90x = 30,129,406.79
  5. Step 5: Solve for x
    x = 30,129,406.79/7,580.90
  6. Step 6: Final answer
    x = 3,974.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.